نتایج جستجو برای: optimum parameters

تعداد نتایج: 635738  

2001
R. Teichmann

This paper addresses the optimum selection of the boost current and threshold current control parameters for the ARCP soft switching technique. The parameters are derived based on a minimization of the output voltage distortion induced by the ARCP operation. The impact of the proper selection of the resonant parameters on the system design is discussed.

Kiomars Yasserian Zahra Karimi

Using the Langmuir probe method, the reactive plasma parameters were studied in different ratios of oxygen and nitrogen concentrations in a DC cylindrical discharge device.The plasma parameters such as plasma potential, electron density and electron temperature wereextracted from the current-voltage characteristic’s curve of Langmuir probe to find the optimum conditions for deposit the oxy...

2009
Pinaki Chaudhury Ralf Metzler Suman K Banik

We demonstrate how the stochastic global optimization scheme of Simulated Annealing can be used to evaluate optimum parameters in the problem of DNA breathing dynamics. The breathing dynamics is followed in accordance with the stochastic Gillespie scheme with the denaturation zones in double stranded DNA studied as a single molecule time series. Simulated Annealing is used to find the optimum v...

2007
RYAN OPREA DANIEL FRIEDMAN STEVEN T. ANDERSON

Human subjects decide when to sink a xed cost C to seize an irreversible investment opportunity whose value V is governed by Brownian motion. The optimal policy is to invest when V rst crosses a threshold V ∗ = (1+w∗)C, where the wait option premiumw∗ depends on drift, volatility, and expiration hazard parameters. Subjects in the Low w∗ treatment on average invest at values quite close to opt...

2009
Yong-Tae Jeong Sang-Chul Jeong Byung-Keun Yang Rezuanul Islam Chi-Hyun Song

The effect of fermentation parameters and medium composition on the simultaneous mycelial growth and exo-polymer production from submerged cultures of Ganoderma applanatum was investigated in shake-flask cultures. The optimum initial pH for mycelial growth and exo-polymer production was 5.0 and 6.0, respectively. The optimum temperature was 25℃ and the optimum inoculum content was 3.0% (v/v). T...

2002
Magdy A. El-Moursy Eby G. Friedman

The width of an interconnect line affects the total power consumed by a circuit. A trade off exists between the dynamic power and the short-circuit power dissipated in inductive interconnect. The optimum line width that minimizes the total transient power dissipation is determined in this paper. A closed form solution for the optimum width with an error less than 5% is presented. For a specific...

Honing is a process for finishing surfaces to obtain smooth surface. This process is used for final polish of inner parts such as engines cylinders. Optimizing this process has always been a big challenge for mass production of cylinder blocks of internal combustion engines. Honing process has some variable parameters, thus to get their optimum rates the automobile cylinders were tested. In thi...

2009
Mansour Sheikhan

Artificial neural networks (ANNs) have been applied to time series forecasting. Genetic algorithm (GA) can be used as an optimization search scheme to determine the near optimal architecture and parameters of a neural network, as well. In this study a rich evolutionary connectionist model is proposed, in which GA is used to determine the optimum number of input and hidden nodes of a feedforward...

2001
P. K. Roy D. A. Mishra D A Mishra

A computer code (SACOP) has been devised for evaluation of optimum parameters of the cartridge (ammunition) for small arms used by the infantry.

2004

In a recent paper, Hyde et al. (1) explored the sensitivity of the EPR spectra of square-planar Cu*+ complexes to variations of the spin-Hamiltonian parameters by simulation of spectra both at the rigid limit and under a range of rotational correlation times. The purpose of this sensitivity analysis was to establish criteria for the optimum determination of the various parameters by simulation....

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